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All results from a given calculation for CH3COCH2 (Acetonyl radical)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-35.835306
Energy at 298.15K-35.839949
HF Energy-35.835306
Nuclear repulsion energy60.463541
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3238 3155 9.94      
2 A' 3126 3046 13.20      
3 A' 3104 3025 6.81      
4 A' 2997 2921 10.71      
5 A' 1501 1462 7.82      
6 A' 1475 1437 35.62      
7 A' 1425 1389 36.75      
8 A' 1411 1375 24.85      
9 A' 1274 1241 39.99      
10 A' 1053 1026 4.73      
11 A' 948 923 4.81      
12 A' 821 800 1.24      
13 A' 507 494 13.58      
14 A' 383 373 2.51      
15 A" 3073 2995 24.88      
16 A" 1504 1466 13.44      
17 A" 1050 1023 4.43      
18 A" 792 772 42.54      
19 A" 506 493 1.42      
20 A" 405 395 0.20      
21 A" 35 34 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15313.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 14923.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-121G
ABC
0.35161 0.29326 0.16485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.128 0.000
O2 0.604 1.269 0.000
C3 -1.445 0.083 0.000
C4 0.804 -1.177 0.000
H5 -1.999 1.019 0.000
H6 -1.989 -0.861 0.000
H7 1.871 -0.943 0.000
H8 0.568 -1.783 0.886
H9 0.568 -1.783 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.29101.44621.53252.18912.22102.15632.18122.1812
O21.29102.36772.45422.61503.35532.54963.17773.1777
C31.44622.36772.57811.08791.08933.47212.88462.8846
C41.53252.45422.57813.56102.81021.09311.09861.0986
H52.18912.61501.08793.56101.88064.33993.90243.9024
H62.22103.35531.08932.81021.88063.86102.85882.8588
H72.15632.54963.47211.09314.33993.86101.78531.7853
H82.18123.17772.88461.09863.90242.85881.78531.7721
H92.18123.17772.88461.09863.90242.85881.78531.7721

picture of Acetonyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 118.827 C1 C3 H6 121.687
C1 C4 H7 109.274 C1 C4 H8 110.913
C1 C4 H9 110.913 O2 C1 C3 119.659
O2 C1 C4 120.487 C3 C1 C4 119.854
H5 C3 H6 119.486 H7 C4 H8 109.089
H7 C4 H9 109.089 H8 C4 H9 107.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.167      
2 O -0.153      
3 C -0.245      
4 C -0.612      
5 H 0.158      
6 H 0.163      
7 H 0.187      
8 H 0.167      
9 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.800 -2.875 0.000 3.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.991 -2.354 0.000
y -2.354 -27.097 0.000
z 0.000 0.000 -24.873
Traceless
 xyz
x 2.994 -2.354 0.000
y -2.354 -3.165 0.000
z 0.000 0.000 0.171
Polar
3z2-r20.341
x2-y24.106
xy-2.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.584 0.430 0.000
y 0.430 6.125 0.000
z 0.000 0.000 3.631


<r2> (average value of r2) Å2
<r2> 66.727
(<r2>)1/2 8.169